Nuclear Chemistry: Decay/Equations/Halflife/Graph/Fission/Fusion

The most penetrating form of radiation is

• Alpha Decay
• Beta Decay
• Gamma Rays
• Positron Decay
• Electron Capture

Tags

NGSS.HS-PS1-8

The type of radioactive decay that involves a neutron in the nucleus changing into a proton and emitting an electron is

• Alpha decay
• Beta decay
• Gamma rays
• Positron decay
• Electron capture

Tags

NGSS.HS-PS1-8

Which is the only type of decay that causes a change in mass number?

• Alpha decay
• Beta decay
• Gamma rays
• Positron decay
• Electron capture

Tags

NGSS.HS-PS1-8

Which type of decay causes a helium nucleus to be emitted from the original isotope's nucleus?

• Alpha decay
• Beta decay
• Gamma rays
• Positron decay
• Electron capture

Tags

NGSS.HS-PS1-8

The charge on a gamma ray is

• 0
• -1
• -2
• +2

Tags

NGSS.HS-PS1-8

NGSS.HS-PS4-3

Which subatomic particle identifies the element? Changing the number of this subatomic particle changes the identity of the element.

• Proton
• Electron
• Neutron
• Nucleus

Which statement about the atom is correct?

• The nucleus is made of protons and electrons and has a neutral charge.
• The cloud is made up of neutrons and accounts for the size or volume of the atom.
• The nucleus is made up of protons and neutrons, is positively charged, and extremely dense.
• The cloud is made up of electrons, negatively charged, and accounts for all the mass of the atom.

Tags

NGSS.HS-PS1-8

The mass number of an atom which contains 21 electrons, 21 protons, and 24 neutrons is

• 21
• 22
• 24
• 42
• 45

Which type of radiation has no effect on mass number or atomic number, and is often paired with another type of radioactive decay?

• Alpha decay
• Beta decay
• Gamma rays
• Positron decay
• Electron capture

Tags

NGSS.HS-PS1-8

Which subatomic particle(s) has a mass of 1 amu and is found in the nucleus?

• protons
• neutrons
• electrons
• both protons and neutrons

Tags

NGSS.HS-PS1-8